2 layers90.5 × 56 mm
Ledcontroller
plan44/ledcontroller-hardware
LED chain + LED PWM output controller with 2 analog inputs, Omega2S SoC, Ethernet
59 partsCC-BY-SA-4.0
2 layers110 × 34 mm
Ledconnector
plan44/ledcontroller-hardwareLED chain + LED PWM output controller with 2 analog inputs, Omega2S SoC, Ethernet
- Size
- 110 × 34 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 29
- Nets
- 20
- Pads
- 87
- Tracks, vias
- 380, 35
- Pours
- 8
- Routed
- Yes
- KiCad
- KiCad 4
- Created
- 8 Sep 2018
- Updated
- 8 Sep 2018
Overview
Ledconnector is an open-source printed circuit board by plan44, from the plan44/ledcontroller-hardware repository on GitHub, published under the CC-BY-SA-4.0 licence. It is a 2-layer board of 110 × 34 mm with 29 parts on 20 nets, routed with 380 tracks and 35 vias.
Its parts include 18 connectors, 7 capacitors and 2 resistors.
README
README.mdLED controller + Connector
This repository contains KiCAD schematics and layouts for two PCBs:
The LED controller was built to integrate:
- 5V data outputs up to 3 WS281x individually addressable LED chains
- one PWM power output for dimming up to 80W of up to 24V LED strips
- two analog inputs (0..3.3V) for external sensors
- Ethernet connectivity
The connector board was designed to easily connect 7 60LED/m WS2813 LED strips to form LED display modules of 7x72 pixels each. The same board can be used on both ends of the display module, it just needs to be flipped at the far end.
The controller is based on onion.io's Omega2S MT7688 MIPS SoC module. It is meant to run OpenWrt, and there is a custom build based on OpenWrt 18.06 available which includes the p44-ledchain kernel module, a small webserver and a daemon app to create scrolling texts and other effects with the LED matrix.
-- First test with RGB LED matrix and single color 80W LED strip PWM dimmer:
-- short video showing scrolling text tests with multiple controllers and 7*72 LED matrix modules
-- LED Connector close up:
Parts
29| Qty | Value | Footprint | References |
|---|---|---|---|
| 7 | 100nF | Capacitors_SMD:C_1206_HandSoldering | C1, C2, C3, C4, C5, C6, C7 |
| 7 | WS2813-CONN-IN | plan44:WS2813-CONN | CN1, CN3, CN5, CN7, CN12, CN14, CN16 |
| 7 | WS2813-CONN-OUT | plan44:WS2813-CONN | CN2, CN4, CN6, CN11, CN13, CN15, CN17 |
| 2 | 10k | Resistors_SMD:R_1206_HandSoldering | R1, R2 |
| 2 | CONN_01X01 | Mounting_Holes:MountingHole_3.2mm_M3_DIN965_Pad | MH1, MH2 |
| 2 | CONN_01X02 | plan44:LETH-PowerPad | J3, J4 |
| 1 | STELVIO-3P-508 | plan44:STELVIO-3P-508-S | J2 |
| 1 | STELVIO-4P-508 | plan44:STELVIO-4P-508-S | J1 |
Questions
How big is the Ledconnector PCB?
It measures 110 × 34 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Ledconnector use?
29 parts. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the Ledconnector KiCad files?
From the plan44/ledcontroller-hardware repository on GitHub, at the commit this page was made from: the board is connector/ledconnector.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Ledconnector design in my own project?
Its repository publishes it under the CC-BY-SA-4.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).
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